CN108196697A - Three-dimensional light grating human-computer interaction device - Google Patents
Three-dimensional light grating human-computer interaction device Download PDFInfo
- Publication number
- CN108196697A CN108196697A CN201810183817.5A CN201810183817A CN108196697A CN 108196697 A CN108196697 A CN 108196697A CN 201810183817 A CN201810183817 A CN 201810183817A CN 108196697 A CN108196697 A CN 108196697A
- Authority
- CN
- China
- Prior art keywords
- optical signal
- receiver
- sensitive surface
- computer interaction
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
Abstract
The invention discloses a kind of three-dimensional light grating human-computer interaction devices, in the screen body surrounding installing of display accurate optical signal transmitter and receiver, emit one group of optical signal by multiple transmitters arranged in parallel and form one group of grating, in screen body opposite side installation receiver real-time reception grating signal.One group of horizontal axis optical signal transmitter and receiver, a sensitive surface is formed with one group of longitudinal axis optical signal transmitter and receiver, again a three-dimensional grating structure being made of surface layer sensitive surface, bottom sensitive surface is formed along the direction stacked arrangement perpendicular to display surface by several sensitive surfaces.When there is object to block a certain in grating or several optical signals, the receiver of opposite side can sense the variation of optical signal in real time, and the signal wire by being connect with receiver is by the variation input processor of this signal.Processor according to the sequential value of the receiver for detecting signal intensity, determine the finger of user screen horizontally and vertically on corresponding coordinate position.
Description
Technical field
The present invention relates to a kind of human-computer interaction device, specifically a kind of three-dimensional light grating human-computer interaction device.
Background technology
Existing human-computer interaction device is mouse-keyboard or touch screen, and when using these devices, the finger of user needs
Above device is contacted to complete the input of signal, in this process, sweat and sebum on user's finger remain in input
The surface of device, and be infected with again on the finger of next user.Cash dispenser, registration machine etc. are made down in public
The devices such as touch screen, it is possible to the cross-infection of virus is caused to user, is unfavorable for the personal hygiene of user.
Invention content
In order to overcome existing input unit that user is needed to contact its surface, it is possible to cause cross-infection to user
Defect, present invention offer one kind do not need to user and contact its surface, it is possible to which the three-dimensional light grating for completing signal input is man-machine
Interactive device.
Scheme of the present invention is：A kind of three-dimensional light grating human-computer interaction device is filled in the screen body surrounding of display
If accurate optical signal transmitter and receiver, emit one group of optical signal by multiple transmitters arranged in parallel and form one group of light
Grid, in screen body opposite side installation receiver real-time reception grating signal.There are one according to linear for each optical signal receiver
The fixed sequential value of rule distribution, the coordinate position on its corresponding horizontal axis or the longitudinal axis on a display screen.It is blocked when there is object
A certain in grating or during several optical signals, optical signal receiver can sense the variation of optical signal in real time, and by with connecing
The signal wire of device connection is received by the variation input processor of this signal.Processor is according to the receiver for detecting signal intensity
Sequential value, determine the finger of user screen horizontally and vertically on coordinate position.
Above-mentioned three-dimensional light grating human-computer interaction device, is indulged by one group of horizontal axis optical signal transmitter and receiver and one group
Axis optical signal transmitter and receiver form a sensitive surface.Again by several sensitive surfaces along the direction heap perpendicular to display surface
Stack arrangement forms a three-dimensional grating structure being made of surface layer sensitive surface, bottom sensitive surface.When the finger of user block away from
During the grating signal of the farthest surface layer sensitive surface of off screen curtain, certain several optical signal receiver of surface layer sensitive surface sense optical signal
Variation, processor calculates the position where the finger of user according to the sequential value for the receiver for detecting signal intensity
Corresponding lateral coordinates and longitudinal coordinate on a display screen show cursor on the screen further according to this coordinate value.Such as cursor
The position at place for can click on area, processor display highlighting do not send click action signal.
Above-mentioned three-dimensional light grating human-computer interaction device, when the finger of user shelters from bottom sense further to screen body
When answering the grating signal in face, certain several optical signal receiver of bottom sensitive surface sense the variation of optical signal, processor according to
It detects the sequential value of the receiver of signal intensity, calculates position where the finger of user corresponding horizontal stroke on a display screen
To coordinate and longitudinal coordinate.If processor receives the collected user's finger position coordinate value of bottom sensitive surface and table simultaneously
The coordinate value that layer sensitive surface is collected into then gives up the coordinate value of surface layer sensitive surface, the coordinate value gone out with bottom sensitive surface computer
Display highlighting.Position as where cursor for can click on area, then processor sends click action while display highlighting and believes
Number.
Above-mentioned three-dimensional light grating human-computer interaction device, what optical signal transmitter was emitted can be infrared signal,
It can be other kinds of optical signal.The covering taper of optical signal is for zero degree or close to zero degree, to ensure each light-receiving
Optical signal received by device is all to face its optical signal transmitter to be sent out.
The invention has the advantages that three-dimensional light grating human-computer interaction device of the present invention uses the light of orthogonal arrangement
Grid, by the optical signal received by optical signal receiver, the positioning of coordinate pair cursor horizontally and vertically on corresponding display screen.
And several layers of sensitive surface are formed using the grating of stacking, according to the collected user's finger position of inside and outside layer sensitive surface institute
Data determine the position of finger corresponding cursor on a display screen, with the distance of user's finger distance screen body to determine whether
It sends and clicks action signal, it is defeated to the signal of related system in the case where not contacting any input equipment to realize user
Enter.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is sensitive surface schematic diagram in surface layer of the present invention；
Fig. 2 is side view of the present invention.
1. horizontal axis optical signal transmitter in figure, 2. horizontal axis optical signal receivers, 3. longitudinal axis optical signal transmitters, 4. longitudinal axis light
Signal receiver, 5. signal wires one, 6. signal wires two, 7. processors, 8. surface layer sensitive surfaces, 9. display screens, the sensing of 10. bottoms
Face, 11. non-inductive areas.
Specific embodiment
Such as Fig. 1, three-dimensional light grating human-computer interaction device includes multiple horizontal axis optical signal transmitters 1 arranged in parallel, multiple
It is horizontal axis optical signal receiver 2 arranged in parallel and multiple longitudinal axis optical signal transmitters 3 arranged in parallel, multiple arranged in parallel
Longitudinal axis optical signal receiver 4.Above-mentioned optical signal transmitter and optical signal receiver are arranged around 9 surrounding of display screen.It is each horizontal
All constantly to face, its horizontal axis optical signal receiver 2 emits optical signal to axis optical signal transmitter 1, and one group of composition is arranged in parallel
Grating, each horizontal axis optical signal receiver 2 and passes through signal wire 1 there are one the sequential value distributed according to linear rule
It is connected to processor 7.Constantly to face, its longitudinal axis optical signal receiver 4 emits light to each longitudinal axis optical signal transmitter 3
Signal forms one group of grating arranged in parallel, and there are one the sequences distributed according to linear rule for each longitudinal axis optical signal receiver 4
Train value, and pass through signal wire 26 and be connected to processor 7.
All above equipments form a surface layer sensitive surface 8, and surface layer sensitive surface 8 and display screen 9 are arranged in parallel, work as user
Finger or other object proximity display screens 9, blocked horizontal axis optical signal transmitter 1 and longitudinal axis optical signal transmitter 3 emitted
Optical signal when, several horizontal axis optical signal receivers 2 and several longitudinal axis optical signal receivers 4 sense the change of an optical signal
Change, and processor 7 is transferred to by signal wire 1 and signal wire 26 respectively, processor 7 is according to all generation signal intensities
The section that the sequential value of horizontal axis optical signal receiver 2 is distributed takes section median, and all horizontal axis light are combined with this median
The horizontal pixel number of a maximum sequential value and display screen 9 in signal receiver 2 calculates the abscissa value of cursor.Example
Such as, the sequential value corresponding to several horizontal axis optical signal receivers 2 that signal intensity occurs is m to n, then processor 7 first calculates (m+
N)/2, the maximum sequential value z in institute's value divided by all horizontal axis optical signal receivers 2, then institute's value multiplied
With the horizontal pixel number of display screen 9, institute's value rounding is set as to the abscissa value of cursor.Similarly, processor 7 is according to all
The section that the sequential value of the longitudinal axis optical signal receiver 4 of signal intensity is distributed occurs, take section median and combines longitudinal axis light
The maximum-sequence-value of signal receiver 4 and longitudinal pixel number of display screen 9 calculate the ordinate value of cursor.Processor 7 obtains
After the abscissa and ordinate value of cursor, the display highlighting pattern on display screen 9.It is if collected from surface layer sensitive surface 8
Cursor coordinates corresponding to user's finger position be located on display screen 9 can click on area, then 7 display highlighting figures of processor
Sample does not send click signal.
Such as Fig. 2, between surface layer sensitive surface 8 and display screen 9, it is additionally provided with a bottom sensitive surface 10, bottom sensitive surface 10
On the direction of display screen 9 with 8 stacked arrangement of surface layer sensitive surface, and with the structure and working machine of surface layer sensitive surface 8
It manages identical.There are one non-inductive areas 11 between bottom sensitive surface 10 and display screen 9, and there is no appoint in non-inductive area 11
What optical signal.If the finger of user senses user's finger further to display screen 9, triggering bottom sensitive surface 10
The signal blocked, processor 7 receives 10 collected cursor data of bottom sensitive surface at the same time and surface layer sensitive surface 8 collects
Cursor data in the case of, give up the data of surface layer sensitive surface 8, take 10 collected cursor data of bottom sensitive surface.Such as
Fruit collected cursor coordinates from bottom sensitive surface 10 be located on display screen 9 can click on area, then processor 7 is in display screen
On 9 while display highlighting pattern, click signal is sent, completes all interactive actions.
Claims (10)
1. a kind of three-dimensional light grating human-computer interaction device, including and it is characterized in that：Have in display screen surrounding multiple arranged in parallel
Optical signal transmitter and multiple optical signal receivers arranged in parallel, optical signal transmitter emit one group of optical signal and form one group of light
Grid, screen body opposite side optical signal receiver real-time reception grating signal, each optical signal receiver there are one according to
The fixed sequential value of linear rule distribution, the coordinate position on its corresponding horizontal axis or the longitudinal axis on a display screen.
2. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that sent out by one group of horizontal axis optical signal
Emitter, horizontal axis optical signal receiver and one group of longitudinal axis optical signal transmitter, longitudinal axis optical signal receiver, signal wire, processor
A sensitive surface is formed, and is stacked by multiple sensitive surfaces along perpendicular to the direction of display screen surface, one is formed and is sensed by surface layer
Face and the three-dimensional grating structure of bottom sensitive surface composition.
3. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that when the finger of user or its
His object proximity display screen, when having blocked the optical signal that horizontal axis optical signal transmitter is emitted, several horizontal axis optical signal receivers
It senses the variation of an optical signal, and passes through signal wire one and be transferred to processor, processor is according to all generation signal intensities
Horizontal axis optical signal receiver the section that is distributed of sequential value, take section median, all horizontal axis combined with this median
The horizontal pixel number of a maximum sequential value and display screen in optical signal receiver calculates the abscissa value of cursor.
4. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that when the finger of user or its
His object proximity display screen, when having blocked the optical signal that longitudinal axis optical signal transmitter is emitted, several longitudinal axis optical signal receivers
It senses the variation of an optical signal, and passes through signal wire two and be transferred to processor, processor is according to all generation signal intensities
Longitudinal axis optical signal receiver the section that is distributed of sequential value, take section median, all longitudinal axis combined with this median
Longitudinal pixel number of a maximum sequential value and display screen in optical signal receiver calculates the ordinate value of cursor.
5. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that if from the sensitive surface of surface layer
Cursor coordinates corresponding to collected user's finger position be located on display screen can click on area, then processor only show
Cursor pattern, does not send click signal.
6. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that if from bottom sensitive surface
Cursor coordinates corresponding to collected user's finger position be located on display screen can click on area, then processor showing
While screen display cursor pattern, click signal is sent.
7. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that processor receives bottom at the same time
The feelings of the collected user's finger position data of layer sensitive surface and the collected user's finger position data of surface layer sensitive surface
Under condition, give up the data of surface layer sensitive surface, take the collected data of bottom sensitive surface.
8. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that its optical signal transmitter is sent out
What is penetrated can be infrared signal or other kinds of optical signal.
9. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that its optical signal transmitter is sent out
The covering taper for the optical signal penetrated is for zero degree or close to zero degree, to ensure the optical signal received by each optical receiver
It is to face its optical signal transmitter to be sent out.
10. three-dimensional light grating human-computer interaction device according to claim 1, which is characterized in that in bottom sensitive surface and show
There are one non-inductive areas between display screen, and any optical signal is not present in non-inductive area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183817.5A CN108196697A (en) | 2018-03-04 | 2018-03-04 | Three-dimensional light grating human-computer interaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183817.5A CN108196697A (en) | 2018-03-04 | 2018-03-04 | Three-dimensional light grating human-computer interaction device |
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| Publication Number | Publication Date |
|---|---|
| CN108196697A true CN108196697A (en) | 2018-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810183817.5A Pending CN108196697A (en) | 2018-03-04 | 2018-03-04 | Three-dimensional light grating human-computer interaction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874241A (en) * | 2018-07-02 | 2018-11-23 | 大连米乐宏业科技有限公司 | Metope touch-control system based on preschool education |
-
2018
- 2018-03-04 CN CN201810183817.5A patent/CN108196697A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108874241A (en) * | 2018-07-02 | 2018-11-23 | 大连米乐宏业科技有限公司 | Metope touch-control system based on preschool education |
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